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Saw IV (2007) Poster

(2007)

Trivia

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The seamless transitions between separate scenes in the movie were not created using (digital) visual effects, but were done practically. For these transitions, the sets were build in such a way that two separate scenes could be filmed in one shot without interruption.
Darren Lynn Bousman was originally not interested in directing the fourth installment in the Saw series, but the producers persuaded him to read the script anyway. Bousman decided to take the directional duties when a plot twist in the script took him completely by surprise, something he thought impossible after being involved in the Saw series for three years.
This first installment of the franchise which does not open with a character in a trap.
The autopsy scene was passed completely uncut by the MPAA.
As part of a running gag in the Saw series, the filming crew always hides what they call a "fart machine" in one of the sets, and make it go off in a particular serious scene, to see how long the actor or actors can keep a straight face. This time, Lyriq Bent was the victim. He actually managed to remain in a character a couple of seconds before bursting into laughter.
In the making of the first trap, prosthetic thread was used on both actors. Art (the mute) really couldn't speak during filming, but Trevor (the blind) was actually able to see.
Betsy Russell was in the same outfit during the hospital scene after which Jill loses Gideon, as she is in the interrogation scene. The camera slowly pans to the mirror to transition into the interrogation scene with Agent Peter Strahm. The sets were right next door to each other and Betsy literally ran to the interrogation set for the transition to work properly.
A coroner was onset at all times for the autopsy scene.
The autopsy scene was deliberately gruesome to distance the film from similar scenes that take place on TV every week on shows like CSI: Crime Scene Investigation (2000).
Is the first movie in the 'Saw' series not to be written by 'Saw' co-creator, Leigh Whannell.
Filmed in 32 days.
The little girl that Rigg talks to, during the child abuse scene in the school is Alison Luther, who is the niece of director Darren Lynn Bousman.
The gruesome autopsy scene at the start of the film was originally supposed to take place at the end of Saw III (2006).
Though producers wanted Donnie Wahlberg to reprise his role, his schedule made him unavailable and his character was not included in the original script. However, after shooting began, his schedule freed up, and the script was re-written to include his character.
The Tobin Bell body cast used in the autopsy scene took two weeks to be constructed.
The only "Saw" film in which Adam is not seen or referenced in any way.
Saw IV (2007) was given the green-light before the third movie even opened. This was stated in Fangoria Magazine #257: "The synopsis, bare as it is, takes the third installment to a new budget level for Lionsgate's wildly successful franchise. Saw (2004) was made for approximately $1 million, Saw II (2005) cost $4 million and the figure for Saw III (2006), according to producer Mark Burg, has risen to $10 million. Saw III was green-lighted the morning after Saw II opened to massive box-office returns, the producer confirms, "and when they ordered Saw III, they also ordered and green-lit Saw IV."
Sent to theaters under the name "Angel Fish".
Despite popular belief, this is the second film that Jigsaw swears. The first time he swore was in Saw II (2005); he said "Not too long now till your son starts pissing blood!"
The knives that are used in the trap that Jigsaw forces on the drug addict who was responsible for the death of his unborn baby are actually made of wood.
Several ideas were written for the first trap, including a trap that pulled both victims upward, and a room that filled with water. Both were scrapped due to budget and filming issues.
This is only the second film in the series to feature some exterior filming. The others had all been made in studios, apart from the pier scene in Saw II where Eric tells his son to go.
The parade that Jigsaw catches Cecil at is celebrating the Year of the Pig in the Chinese Zodiac. The pig is the same animal in which Jigsaw uses to mask himself when capturing victims. Additionally, the release year of this film (2007) is actually the Year of the Pig, which occurs every twelve years.
Lionsgate's sixth highest grossing film in the United States and Canada.
The dog that Ivan is seen hugging and kissing is director Darren Lynn Bousman's dog named Chance.
Whilst he was filming Saw IV (2007), Darren Lynn Bousman was also prepping his next film, Repo! The Genetic Opera (2008).
The black figure Cecil steals from the Year of the Pig festival is the same figure John was seen placing on a shelf in the operating room in Saw III (2006). There is a deleted scene that shows John placing the same figure on Gideon's tombstone but this scene never made it into the final film.
The photos seen in the room where Ivan is tested are of Darren Lynn Bousman's girlfriend, his assistant, and of his lawyer.
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When the results from the fingerprint analysis from the bullet come in, two other names can be seen on the sheet that matches the fingerprint on the bullet to Officer Rigg: "Entry Employee: Scoffield, Sean" and "CSI Case App: Armstrong, David". Sean Scoffield is in charge of doing the graphics for Saw IV, and David A. Armstrong is the Director of Photography.
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Producer Mark Burg has stated this "Saw" to be his favorite on the commentary track.
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Athena Karkanis originally auditioned for the part of Officer Daniel Rigg's wife.
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Spent only five weeks in pre-production. Post-production took up two months.
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On the poster, the fourth female murder-doctor. She is an unknown Canadian actress.
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One of the few stories in which the protagonist is not locked or trapped at all, and is able to stop playing the game at any time.
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Spoilers 

The trivia items below may give away important plot points.

Tracy's character vanishes from the film without a specific resolution. Although it is implied she was kidnapped as well, this storyline is left ambiguous. The revisions in the script resulted in the character's shortened screen time. In the early drafts Rigg's wife would indeed be the target of the game and she would be suspended over the ice block trap. After _Donnie Wahlberg_ agreed to reprise his role, the ice block sequence was rewritten and Tracy's character was dropped as the incentive of Rigg to search throughout the city.
This film marks the second time in the Saw series that someone other than Jigsaw (in this case Hoffman) says "Game Over" in the movie's climax.
Body Count: 10. (Including Cecil Adams, whose death is shown in a flashback. Plus John and Jill's child that was miscarried in a flashback.)
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The timeline takes place during the events of Saw lll, so the two films are overlaping right until the end.
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From Saw IV until Saw 3D, Mark Hoffman is always involved in the last trap of each film.
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